Today Midway Island is an national park reserve. No one lives there. It is under the jurisdiction of the Department of the Interior, sonce the DoD has no use for it anymore. Environmental scientist occasionally visit but it's main inhabitants are albatross.
So to answer your question, it isn't used for anything today.
The mission of the Japanese Navy was to take Midway Island, to be used as a re-supply base. This mission was intercepted by US Naval forces, resulting in the "Battle of Midway."
"Midway" was strictly a naval battle. Iwo Jima was part of the "island hopping" campaign.
Near the island of midway in the Central Pacific Near the island of midway in the Central Pacific
Midway Islands, in the Pacific Ocean. Midway Islands includes Eastern Island, Sand Island, and Spit Island
Japanese fortifications on the island of Midway.
Midway was formed by volcanoes about 28 million years ago. The hot spot on the sea bed that formed Midway has shifted eastward and is today still adding to the island of Hawaii, about 1100 miles from Midway. There are no active hot spots near Midway today.
The mission of the Japanese Navy was to take Midway Island, to be used as a re-supply base. This mission was intercepted by US Naval forces, resulting in the "Battle of Midway."
"Midway" was strictly a naval battle. Iwo Jima was part of the "island hopping" campaign.
Near the island of midway in the Central Pacific Near the island of midway in the Central Pacific
Midway Islands, in the Pacific Ocean. Midway Islands includes Eastern Island, Sand Island, and Spit Island
Henderson Field, Midway
Japanese fortifications on the island of Midway.
About 100 miles north of the Island of Midway, at the Japanese carrier fleet.
According to Historians, Midway Island was formally called Middlebrooks and Brooks. However, after the United States annexed the island in 1867 the name was changed to Midway.
See website: Battle of Midway
Midway (not a country) is an island group in the Pacific Ocean. At present Midway is a U.S. possession
Scooter put a pin in Midway Island is a homework assignment in Grand Island. See link below.